The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 22, 2022
Filed:
Nov. 18, 2019
Huawei International Pte. Ltd., Singapore, SG;
Yanjiang Yang, Singapore, SG;
Zhuo Wei, Singapore, SG;
Cheng Kang Chu, Singapore, SG;
Jie Shi, Singapore, SG;
Huawei International Pte. Ltd., Singapore, SG;
Abstract
A symmetric key-based generation and distribution system and method for a vehicle access authentication framework is provided, the framework comprising: a first device operated by a car owner, a second device operated by a delegated user, and a third device residing in a vehicle. The first device is configured to: request for an authentication key from the third device, the request for the authentication key comprising an ID of the first device, id; receive an authentication key Kfrom the third device; and generate a delegated authentication key Kbased on authentication key Kand an ID of the second device in response to receiving a request for delegated authentication key from the second device, the request for delegated authentication key comprising the ID of the second device.